Reduce size of monomorphic checked entry.

runtime/vm/assembler_arm64.cc

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // NOLINT
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/longjump.h"
@@ skipping 1226 matching lines @@
   LeaveDartFrame();
 }
 
 
 void Assembler::NoMonomorphicCheckedEntry() {
   buffer_.Reset();
   brk(0);
   brk(0);
   brk(0);
   brk(0);
-  brk(0);
-  brk(0);
   ASSERT(CodeSize() == Instructions::kCheckedEntryOffset);
 }
 
 
 // R0 receiver, R5 guarded cid as Smi
 void Assembler::MonomorphicCheckedEntry() {
   bool saved_use_far_branches = use_far_branches();
   set_use_far_branches(false);
 
   Label immediate, have_cid, miss;
   Bind(&miss);
-  ldr(CODE_REG, Address(THR, Thread::monomorphic_miss_stub_offset()));
-  ldr(IP0, FieldAddress(CODE_REG, Code::entry_point_offset()));
+  ldr(IP0, Address(THR, Thread::monomorphic_miss_entry_offset()));
   br(IP0);
-  brk(0);
 
   Bind(&immediate);
   movz(R4, Immediate(kSmiCid), 0);
   b(&have_cid);
 
   Comment("MonomorphicCheckedEntry");
   ASSERT(CodeSize() == Instructions::kCheckedEntryOffset);
   tsti(R0, Immediate(kSmiTagMask));
   SmiUntag(R5);
   b(&immediate, EQ);
@@ skipping 196 matching lines @@
     add(base, array, Operand(index, LSL, shift));
   }
   const OperandSize size = Address::OperandSizeFor(cid);
   ASSERT(Address::CanHoldOffset(offset, Address::Offset, size));
   return Address(base, offset, Address::Offset, size);
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64